Option Explicit is in regards to you being required to explicitly declare your variables (instead of just typing a name and assigning a value to it resulting in an implicit declaration). So you've gotta declare your variables using Dim, Private, Public, or ReDim statements....
They then practiced the multiple usages of the Palenquero prenominal plural ma and preverbal particles with a worksheet and in groups. Following this, they produced (orally and in written form) the target structures in various activities, such as picture naming and description of objects and ...